audk/BaseTools/Source/C/BrotliCompress/enc/literal_cost.h

31 lines
912 B
C

/* Copyright 2013 Google Inc. All Rights Reserved.
Distributed under MIT license.
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
/* Literal cost model to allow backward reference replacement to be efficient.
*/
#ifndef BROTLI_ENC_LITERAL_COST_H_
#define BROTLI_ENC_LITERAL_COST_H_
#include "../common/types.h"
#include "./port.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/* Estimates how many bits the literals in the interval [pos, pos + len) in the
ringbuffer (data, mask) will take entropy coded and writes these estimates
to the cost[0..len) array. */
BROTLI_INTERNAL void BrotliEstimateBitCostsForLiterals(
size_t pos, size_t len, size_t mask, const uint8_t *data, float *cost);
#if defined(__cplusplus) || defined(c_plusplus)
} /* extern "C" */
#endif
#endif /* BROTLI_ENC_LITERAL_COST_H_ */